I am having some issues with Washing Machine backing up into the Toilet (I Would assume that it is what it is). I am having semi-blue water backing up into the toilet (But never overflowing thankgod)

Also, the toilet gurgles and gulps sometimes.. and then drains away (Toliet bowl is at normal level of water... gurgles/bubbles... then water level goes way down).

I am on a septic, I had it checked and maintained about 7 months ago (It was working fine, the outlet baffle was replaced, and the tank was pumped).

Any ideas of things I can do, before I have to call the septic folks? There is no 'sewer' smell, and no wet/damp spots in the leach field area.